1 /* 2 * PROJECT: ReactOS API tests 3 * LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later) 4 * PURPOSE: Tests for wctomb 5 * COPYRIGHT: Copyright 2020 George Bișoc <george.bisoc@reactos.org> 6 */ 7 8 #include <apitest.h> 9 #include <apitest_guard.h> 10 11 #define WIN32_NO_STATUS 12 #include <stdio.h> 13 #include <stdlib.h> 14 #include <errno.h> 15 #include <locale.h> 16 17 START_TEST(wctomb) 18 { 19 int Length; 20 char *chDest; 21 char *loc; 22 unsigned int codepage = ___lc_codepage_func(); 23 wchar_t wchSrc[2] = {L'R', 0414}; // 0414 corresponds to a Russian character in Windows-1251 24 25 chDest = AllocateGuarded(sizeof(*chDest)); 26 if (!chDest) 27 { 28 skip("Buffer allocation failed!\n"); 29 return; 30 } 31 32 /* Output the current locale of the system and codepage for comparison between ReactOS and Windows */ 33 loc = setlocale(LC_ALL, NULL); 34 printf("The current codepage of your system tested is (%u) and locale (%s).\n\n", codepage, loc); 35 36 /* Do not give output to the caller */ 37 Length = wctomb(NULL, 0); 38 ok(Length == 0, "Expected no characters to be converted (because the output argument is refused) but got %d.\n", Length); 39 40 /* Do the same but expect a valid wide character argument this time */ 41 Length = wctomb(NULL, wchSrc[0]); 42 ok(Length == 0, "Expected no characters to be converted (because the output argument is refused) but got %d.\n", Length); 43 44 /* Don't return anything to the output even if conversion is impossible */ 45 Length = wctomb(NULL, wchSrc[1]); 46 ok(errno == 0, "The error number (errno) should be 0 even though an invalid character in current locale is given but got %d.\n", errno); 47 ok(Length == 0, "Expected no characters to be converted (because the output argument is refused) but got %d.\n", Length); 48 49 /* Attempt to convert a character not possible in current locale */ 50 Length = wctomb(chDest, wchSrc[1]); 51 ok(Length == -1, "The conversion is not possible in current locale but got %d as returned value.\n", Length); 52 ok(errno == EILSEQ, "EILSEQ is expected in an illegal sequence conversion but got %d.\n", errno); 53 54 /* Return a null wide character to the destination argument */ 55 Length = wctomb(chDest, 0); 56 ok(Length == 1, "Expected one character to be converted (the null character) but got %d.\n", Length); 57 ok_int(chDest[0], '\0'); 58 59 /* Get the converted output and validate what we should get */ 60 Length = wctomb(chDest, wchSrc[0]); 61 ok(Length == 1, "Expected one character to be converted but got %d.\n", Length); 62 ok_int(chDest[0], 'R'); 63 64 FreeGuarded(chDest); 65 } 66